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Finding the Fourth Proportional to 40,549.92, 55,949.04 and 23,779.68

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Solution

The fourth proportional to 40,549.92, 55,949.04 and 23,779.68 is: 32,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,549.92 : 55,949.04 = 23,779.68 : x
  2. Step 2: Convert to fraction form
    40,549.92/55,949.04 = 23,779.68/x
  3. Step 3: Cross multiply
    40,549.92x = 55,949.04 × 23,779.68
  4. Step 4: Simplify right side
    40,549.92x = 1,330,450,267.51
  5. Step 5: Solve for x
    x = 1,330,450,267.51/40,549.92
  6. Step 6: Final answer
    x = 32,810.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.